發(fā)布時(shí)間：2018-06-21 06:08

  本文選題：光纖陀螺 + 標(biāo)度因數(shù)模型��； 參考：《中國(guó)慣性技術(shù)學(xué)報(bào)》2017年04期

【摘要】：高精度慣性導(dǎo)航系統(tǒng)對(duì)由溫度引起的光纖陀螺標(biāo)度因數(shù)變化指標(biāo)提出了很高的要求。采用溫度補(bǔ)償技術(shù)是一種提升標(biāo)度因數(shù)性能的有效方法,其中建立精確且普適的溫度模型是關(guān)鍵。提出并分析了光纖陀螺溫度與標(biāo)度因數(shù)模型的遲滯現(xiàn)象。通過分析和試驗(yàn)表明,標(biāo)度因數(shù)模型的遲滯現(xiàn)象是由光纖陀螺結(jié)構(gòu)的熱不均勻性造成的,采用多溫度點(diǎn)采樣來修正標(biāo)度因數(shù)模型的方法可以有效避免模型的遲滯現(xiàn)象,提升標(biāo)度因數(shù)模型的補(bǔ)償效果,使光纖陀螺可以適應(yīng)各種溫度變化的環(huán)境。在-40℃~+60℃范圍內(nèi)同時(shí)對(duì)光纖環(huán)圈和光源的溫度進(jìn)行采集,并利用光源溫度與平均波長(zhǎng)的關(guān)系來修正標(biāo)度因數(shù)模型,通過模型修正可以將光纖陀螺全溫標(biāo)度因數(shù)穩(wěn)定性指標(biāo)由常規(guī)模型下的36×10~( 6)提升到12×10~( 6)。
[Abstract]:The high precision inertial navigation system has put forward the very high request to the change index of scale factor of fog caused by temperature. Temperature compensation is an effective method to improve the performance of scale factor, and the key is to establish an accurate and universal temperature model. The hysteresis phenomenon of fog temperature and scale factor model is proposed and analyzed. The results of analysis and experiment show that the hysteresis of scale factor model is caused by the thermal inhomogeneity of fiber optic gyroscope, and the hysteresis of the model can be effectively avoided by adopting multi-temperature sampling to modify the scale factor model. The compensation effect of scale factor model is improved so that fiber optic gyroscope can adapt to various temperature variation environment. In the range of -40 鈩，

本文編號(hào)：2047533